Calculate the average atomic mass of hydrogen using the following data:

Isotope

% Natural Abundance

Molar Mass

1H

99.985

1

2H

0.015

2

 

Answers (1)

Average atomic mass = \frac{(Natural\; Abudance\; of\; ^{1}H \times Molar\; mass)+(Natural\; Abudance\; of\; ^{2}H \times Atomic\; mass)}{100}

=\frac{(99.985\times 1)+(0.015\times 2)}{100}

=\frac{100.015}{100}=1.00015\; \upsilon

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